Losnr. 879 - 196.-201. Auktion
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Losnr. : 879 Kolumbien
1923: 1½ c. chocolate-brown, Perkins Bacon & Co. Imperforate unused Proof sheet, two stamps punctured by hole, with left hand side of the sheet showing additional vertical row giving a 'Double Print' variety on the first column. Minor creasing but an extremely scarce and most attractive sheet, probably unique thus.Ausruf : 350 CHFZuschlag : nicht verkauft